ICT Billet 551836-LS320 - Straight -20AN Thermostat Housing For LS Gen 4 Water Pump

Straight -20AN Thermostat Housing For LS Gen 4 Water Pump Compatible with: Gen 4 LS engines (RPO Codes: LS2, LH6, LS7, L92, L76, LY2, LY5, LY6, LC9, LFA, LH8, LMG, LS3, L98, LSA, L9H, LS9, L20, L94, LZ1, L99, L96, LC8, L77) 2007+ • This thermostat housing converts water pump inlet to a -20AN male fitting for more durable, high pressure hoses • Thermostat housing directs hose straight away from engine, to clear frame rails and suspension components • Compatible with 2007 or newer LS Gen 4 thermostats • Package Includes: 1 flange, 1 housing and 2 bolts • Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum • Will not fit on Gen 3 water pumps - See water pump guide for reference • Gen 3 water pumps have a smaller bolt pattern